520212008 has 32 divisors (see below), whose sum is σ = 1004442600. Its totient is φ = 252398592.

The previous prime is 520211987. The next prime is 520212037. The reversal of 520212008 is 800212025.

It can be written as a sum of positive squares in 4 ways, for example, as 515380804 + 4831204 = 22702^2 + 2198^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118916 + ... + 123212.

Almost surely, 2^520212008 is an apocalyptic number.

It is an amenable number.

520212008 is a deficient number, since it is larger than the sum of its proper divisors (484230592).

520212008 is a wasteful number, since it uses less digits than its factorization.

520212008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 520212008 is about 22808.1566111775. The cubic root of 520212008 is about 804.2544222570.

The spelling of 520212008 in words is "five hundred twenty million, two hundred twelve thousand, eight".